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There is a bugzilla entry that states the removal was due to too little user benefit for the development effort required. And since I don’t necessarily need this feature, I can understand they directed the resources to where they are needed more. Nevertheless, it would be nice to have.

The way I use it is primarily for applications that produce audio output, so I get appropriately named per-app volume sliders in pulseaudio/pipewire and not just a bunch of audio streams titled “Firefox”.

I use Brave as a secondary browser for PWAs on the desktop. I wish Firefox would support it again.

For shells (and other programs) using GNU readline for interactions and line-edits (like bash), some of this can be achieved with an ~/.inputrc configuration file, e.g., mapping the correct key sequence for your terminal emulator to the backward-word move command. You can look up these sequences using infocmp -L1 or interactively using sed -n l.

Most other shells use their own command line handling routines and configuration though, so this won’t work for e.g., zsh or fish.

Ist that 0.0.0.0/24 CIDR a typo? That suffix should probably be /0.

Also make sure to actually assign the firewall to your instance’s subnet in the Oracle cloud Interface.

If you happen to use any user script extension already (like Violentmonkey) or don’t want to use a dedicated extension to fix stupid design decisions, I can recommend https://greasyfork.org/en/scripts/405614-youtube-polymer-engine-fixes.